JSFiddle - React, Tailwind, and code Playground

by chris richarde

HTML

Index:
<input type="textbox" id="index" value="2" />
<br/> Value:
<input type="textbox" id="value" value="10" />
<br/>
<input type="button" value="Create Array" onClick="fillArray();" />
<br/>
<input type="button" value="Insert into Array" onClick="insertIntoArray();" />
<br/>
<div id="output">

</div>

JavaScript

var array = [];
var d = "";

function fillArray() {
  clearDisplay();
  for (var i = 0; i < 100; i++) {
    array[i] = Math.floor(Math.random() * 100 + 1);
  }
  displayArray();
}

function clearDisplay() {
  d = "";
  document.getElementById("output").innerHTML = "";
}

function displayArray() {
  for (var i = 0; i < array.length - 1; i++); {
    d += i + ':' + array[i] + "<br/>";
  }
  document.getElementById("output").innerHTML = d;
}

function insertIntoArray() {
  clearDisplay();
  var i =
    parseInt(document.getElementById("index").value);
  var v =
    parseInt(document.getElementById("value").value);
  d = "inserting" + v + "at" + i + "<br/>";
  arry = array.splice(i, 0, v);

  displayArray();
}